Code cleanup, deprecation notice, add maxRedirects
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@ -1,8 +1,23 @@
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import * as https from "https";
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import * as http from "http";
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const MAX_DEFAULT_REDIRECTS = 20;
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const redirectCodes = new Set([301, 302, 307, 308]);
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/**
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* @typedef {Object} FetchOptions
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* @property {"GET" | "PUT" | "POST" | "DELETE"} [method] - Request method.
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* @property {Record<string, string>} [headers] - Request headers.
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* @property {"manual" | "follow"} [redirect] - Whether to follow redirects.
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* @property {number} [maxRedirects] - Maximum amount of redirects to be followed.
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* @property {AbortSignal} [signal] - Signal to abruptly cancel the request
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* @property {Uint8Array | string} [body] - Defines a request body. Data must be serializable.
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*/
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/**
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* @param {string} url
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* @param {FetchOptions} options
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*/
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export function nativeFetch(url, options) {
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let state = "PENDING";
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const data = {content: [], headers: null, statusCode: null, url: url, statusText: "", redirected: false};
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@ -10,7 +25,7 @@ export function nativeFetch(url, options) {
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const errors = new Set();
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/** * @param {URL} url */
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const execute = (url, options, redirect = false) => {
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const execute = (url, options, redirectCount = 0) => {
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const Module = url.protocol === "http" ? http : https;
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const req = Module.request(url.href, {
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@ -18,13 +33,31 @@ export function nativeFetch(url, options) {
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method: options.method ?? "GET"
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}, res => {
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if (redirectCodes.has(res.statusCode) && res.headers.location && options.redirect !== "manual") {
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const final = new URL(res.headers.location);
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redirectCount++;
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if (redirectCount >= (options.maxRedirects ?? MAX_DEFAULT_REDIRECTS)) {
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state = "ABORTED";
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const error = new Error(`Maximum amount of redirects reached (${options.maxRedirects ?? MAX_DEFAULT_REDIRECTS})`);
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errors.forEach(e => e(error));
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return;
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}
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let final;
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try {
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final = new URL(res.headers.location);
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}
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catch (error) {
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state = "ABORTED";
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errors.forEach(e => e(error));
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return;
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}
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for (const [key, value] of new URL(url).searchParams.entries()) {
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final.searchParams.set(key, value);
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}
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return execute(final, options, true);
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return execute(final, options, redirectCount);
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}
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res.on("data", chunk => data.content.push(chunk));
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@ -34,7 +67,7 @@ export function nativeFetch(url, options) {
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data.statusCode = res.statusCode;
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data.url = url.toString();
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data.statusText = res.statusMessage;
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data.redirected = redirect;
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data.redirected = redirectCount > 0;
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state = "DONE";
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listeners.forEach(listener => listener());
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@ -50,10 +83,12 @@ export function nativeFetch(url, options) {
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catch (error) {
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state = "ABORTED";
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errors.forEach(e => e(error));
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} finally {
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}
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finally {
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req.end();
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}
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} else {
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}
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else {
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req.end();
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}
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@ -65,7 +100,14 @@ export function nativeFetch(url, options) {
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}
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};
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execute(new URL(url), options);
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try {
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const parsed = new URL(url);
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execute(parsed, options);
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}
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catch (error) {
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state = "ABORTED";
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errors.forEach(e => e(error));
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}
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return {
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onComplete(listener) {
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@ -1,5 +1,7 @@
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import Remote from "../../polyfill/remote";
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const methods = new Set(["GET" | "PUT" | "POST" | "DELETE"]);
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class FetchResponse extends Response {
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constructor(options) {
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super(options.content, {
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@ -30,14 +32,34 @@ const convertSignal = signal => {
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};
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};
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export function fetch(url, options = {}) {
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/**
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* @typedef {Object} FetchOptions
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* @property {"GET" | "PUT" | "POST" | "DELETE"} [method] - Request method.
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* @property {Record<string, string>} [headers] - Request headers.
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* @property {"manual" | "follow"} [redirect] - Whether to follow redirects.
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* @property {number} [maxRedirects] - Maximum amount of redirects to be followed.
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* @property {AbortSignal} [signal] - Signal to abruptly cancel the request
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* @property {Uint8Array | string} [body] - Defines a request body. Data must be serializable.
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*/
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/**
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* @param {string} url
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* @param {FetchOptions} options
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* @returns {Promise<FetchResponse>}
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*/
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export default function fetch(url, options = {}) {
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return new Promise((resolve, reject) => {
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const ctx = Remote.nativeFetch(url, {
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...(options.headers && {headers: options.headers instanceof Headers ? Object.fromEntries(options.headers.entries()) : options.headers}),
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...(options.body && {body: options.body}),
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...(options.method && {method: options.method}),
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...(options.signal && {signal: convertSignal(options.signal)})
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});
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const data = {};
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if (typeof options.headers === "object") {
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data.headers = options.headers instanceof Headers ? Object.fromEntries(options.headers.entries()) : options.headers;
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}
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if (typeof options.body === "string" || options.body instanceof Uint8Array) data.body = options.body;
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if (typeof options.method === "string" && methods.has(options.method)) data.method = options.method;
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if (options.signal instanceof AbortSignal) data.signal = convertSignal(options.signal);
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const ctx = Remote.nativeFetch(url, data);
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ctx.onError(error => {
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reject(error);
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@ -12,7 +12,7 @@ import Utils from "./utils";
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import Webpack from "./webpack";
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import * as Legacy from "./legacy";
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import ContextMenu from "./contextmenu";
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import {fetch} from "./fetch";
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import fetch from "./fetch";
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import {DiscordModules} from "modules";
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const bounded = new Map();
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@ -58,7 +58,7 @@ export default class BdApi {
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Components = {
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get Tooltip() {return DiscordModules.Tooltip;}
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}
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fetch = fetch;
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Net = {fetch};
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}
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// Add legacy functions
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@ -128,8 +128,9 @@ BdApi.Components = {
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get Tooltip() {return DiscordModules.Tooltip;}
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};
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BdApi.fetch = fetch;
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BdApi.Net = {fetch};
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Object.freeze(BdApi);
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Object.freeze(BdApi.Net);
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Object.freeze(BdApi.prototype);
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Object.freeze(BdApi.Components);
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@ -7,6 +7,12 @@ import * as https from "./https";
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import Buffer from "./buffer";
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import crypto from "./crypto";
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import Remote from "./remote";
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import Logger from "common/logger";
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const deprecated = new Map([
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["request", "Use BdApi.Net.fetch instead."],
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["https", "Use BdApi.Net.fetch instead."],
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]);
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const originalFs = Object.assign({}, fs);
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originalFs.writeFileSync = (path, data, options) => fs.writeFileSync(path, data, Object.assign({}, options, {originalFs: true}));
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@ -14,6 +20,10 @@ originalFs.writeFile = (path, data, options) => fs.writeFile(path, data, Object.
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export const createRequire = function (path) {
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return mod => {
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if (deprecated.has(mod)) {
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Logger.warn("Remote~Require", `The "${mod}" module is marked as deprecated. ${deprecated.get(mod)}`);
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}
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switch (mod) {
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case "request": return request;
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case "https": return https;
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@ -42,4 +52,4 @@ require.resolve = (path) => {
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}
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};
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export default require;
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export default require;
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